Cretorhyssalus, Belokobylskij, 2012

Belokobylskij, Sergey A., 2012, Cretaceous braconid wasps from the Magadan Province of Russia, Acta Palaeontologica Polonica 57 (2), pp. 351-361 : 357

Genus Cretorhyssalus nov.

Etymology: After combination of Cretaceous, the geological period from which the genus was discovered, and the braconid genus Rhyssalus .

Type species: Cretorhyssalus brevis sp. nov.; see below.By monotypy.

Diagnosis.— Cretorhyssalus differs from Magadanobracon gen. nov. in having the hind femur slender and long, fore wing with brachial (subdiscal) cell is open in postero−apical corner, recurrent vein (m−cu) almost interstitial, first radial abscissa (r) short and arising before middle of pterostigma, and body size small.

Description.—Mesosoma short and high ( Fig. 5A, B ), about 1.3 times longer than maximum height. Prepectal carina present and distinct. Sternaulus indistinct. Fore wing ( Fig. 5A, B ). Fused costal (C) and subcostal (SC) veins thick. Pterostigma wide. Radial vein (r) arising distinctly before middle of pterostigma. First abscissa of radial vein (r) short. Both radiomedial veins (2−SR, r−m) possibly present. First radiomedial vein (2−SR) long. Discoidal (discal) cell petiolate anteriorly, weakly narrowed anteriorly, with subparallel lateral margins (recurrent (m−cu) and basal (1−M) veins). Recurrent vein (m−cu) almost interstitial. Brachial (subdiscal) cell wide, open postero−apically, brachial vein (CU1b) absent. At least first transverse anal vein (2A) present. Hind femur narrow and long, elongate−oval ( Fig. 5B ). Metasoma rather long ( Fig. 5A, B ).

http://dx.doi.org/10.4202/app.2010.0120

Figures

Fig. 5. Braconid wasp Cretorhyssalus brevis gen. et sp. nov., holotype of male (?), PIN, 3901/81, Habitus in lateral view, Obeshchayushchiy fossil site (Magadan Province, Russia), Earliest Upper Cretaceous. Photograph (A) and drawing (B). Scale bars 1 mm.